Mazda CX-5 Service & Repair Manual: Throttle Body

Purpose, Function

• Opens/closes the throttle valve to adjust the amount of air supplied to the cylinder.

• Opens/closes the throttle valve according to the control signal from the PCM.

Construction

• The throttle body is installed to the intake manifold.

  

  
  

• The throttle body consists of a throttle valve, throttle valve actuator, TP sensor, and return spring.

  

  
  

• For the throttle position sensor, refer to CONTROL SYSTEM..

Operation

• The throttle valve actuator opens/closes the throttle valve according to the control signal from the PCM. If there is a malfunction in the throttle valve actuator, the throttle valve is closed by the return spring in the throttle body.

  

  
  

• For the drive-by-wire control, refer to CONTROL SYSTEM..

Fail-safe